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Karin and Her Mother Live on Welfare in a Poor

question 39

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Karin and her mother live on welfare in a poor, inner-city neighborhood in Detroit. Karin is quite bright and highly motivated, and she really wants to get a college education. However, she knows that, on average, students from low-income homes perform more poorly on the SAT tests than students from wealthier homes. When she takes the SAT, she is so nervous that she has trouble concentrating on the test items, and as a result her scores are lower than they should be. Which of the following concepts best explains what has happened to Karin?


Definitions:

Hot Swappable I/O Modules

Input/Output modules designed to be exchanged or replaced without shutting down the system they are part of.

Power On

The action or process of activating a device or system, providing it with electrical power to begin operation.

PLC Operating

Pertains to the functioning and management of a Programmable Logic Controller, a digital computer used for automation of electromechanical processes.

AC Output Interface Module

A device that allows an industrial control system, such as a PLC, to control or operate AC electrical equipment.

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